body{
    margin: 0px;
    padding: 0px;
    background: #f1f1f1;
}
/* 头部样式 */
.header{
    background: #563d7c;
    height: 50px;
    width: 100%;
    color: #fff;
}
.header .title{
    letter-spacing: 2px;
    line-height: 50px;
    float: left;
    font-size: 18px;
}
.header .search{
    width: 300px;
    float: left;
    line-height: 50px;
    margin-left: 50px;
}
.header .search input{
    float: unset;
}
._login-reg{
    float: right;
    line-height: 50px;
}
._login-reg button{
    padding: 6px 25px;
    margin: 0px 15px;
}

/* 中间文章展示区域 */
.main{
    border: 1px solid #cdcdcd;
    min-height: 800px;
    background: #fff;
    border-radius: 4px;
    margin-top: 20px;
}
.main .lfet-box{
    border-right: 1px solid #cdcdcd;
    min-height: 800px;
}
.main .cates{
    color: #666;
    font-size: 16px;
    margin-top: 20px;
    border-bottom: 1px solid #f1f1f1;
    padding-bottom: 10px;
}

.main .cate-list .cate-item{
    margin: 10px 0px;
}
/* 右边区域 */
.main .nav{
    border-bottom: 1px solid #f1f1f1;
    margin-top: 30px;
}
.main .nav a{
    /* text-decoration: none; */
    float: right; 
    color: #666;
    padding: 0px 10px;
    padding-bottom: 5px;
}
.main .nav .active{
    font-weight: bold;
    border-bottom: 2px solid #337ab7;
}
/* 文章图片 */
.main .content-item{
    border-bottom: 1px solid #f1f1ff;
    padding:10px 0px;
    float: left;
    width: 100%;
}
.main .content-item img{
    width: 40px;
    border-radius: 6px;
    float: left;
}
.main .content-item .content-tltle{
    float: left;
    margin-left: 15px;
    font-size: 12px;
    color: #666;
}
.main .content-item .content-tltle p{
    margin-bottom: 5px;
}
.main .content-item .content-tltle span{
    margin-right: 10px;
}